1 /* Copyright
(C
) 2001, 2002, 2009 Free Software Foundation
, Inc.
2 Contributed by Hans
-Peter Nilsson
<hp
@bitrange.com
>
4 This file is free software
; you can redistribute it and/or modify it
5 under the terms of the GNU General
Public License as published by the
6 Free Software Foundation
; either version 3, or (at your option) any
9 This file is distributed
in the hope that it will be useful
, but
10 WITHOUT ANY WARRANTY
; without even the implied warranty of
11 MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 General
Public License for more details.
14 Under
Section 7 of GPL version
3, you are granted additional
15 permissions described
in the GCC Runtime Library Exception
, version
16 3.1, as published by the Free Software Foundation.
18 You should have received a copy of the GNU General
Public License
and
19 a copy of the GCC Runtime Library Exception along with
this program
;
20 see the files COPYING3
and COPYING.RUNTIME respectively. If
not, see
21 <http://www.gnu.
org/licenses
/>.
*/
23 % This must be the last file on the link
-line
, allocating
global registers
26 % Register
$254 is the stack
-pointer.
29 % Register
$253 is frame
-pointer. It
's not supposed to be used in most
33 % $252 is the static chain register; nested functions receive the
34 % context of the surrounding function through a pointer passed in this
39 % These registers are used to pass state at an exceptional return (C++).
45 #ifdef __MMIX_ABI_GNU__
47 % Allocate global registers used by the GNU ABI.
65 #endif /* __MMIX_ABI_GNU__ */
67 % Provide last part of _init and _fini.
69 % The return address is stored in the topmost stored register in the
70 % register-stack. We ignore the current value in rJ. It is probably
71 % garbage because each fragment of _init and _fini may have their own idea
72 % of the current stack frame, if they're cut
out from a
"real" function
73 % like
in gcc
/crtstuff.c.
75 .
section .init
,"ax",@progbits
82 .
section .fini
,"ax",@progbits